Questions tagged [matrix-profile]
9 questions
2
votes
2 answers
matrixProfiling not getting imported
I am trying to use the package 'matrixprofile'.
I am getting the error even though I have installed a 'matrixprofile' in anaconda prompt.
from matrixprofile import *
mp = matrixProfile.stomp(df['y'].values, window)
NameError: name 'matrixProfile'…
learningtocode
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1
vote
0 answers
motifs function in the module matrixprofile.motifs doesn't return the exact count given in max_motifs(ts, mp, max_motifs=10)
Here I use stumpy.stumped to find the matrix profile
This is my time-series(Entire data)
Entire_data= spark.sql('SELECT Closw from rk02_eurusd_candlestick_1_m_bid_01_01_2018_31_12_2018_csv where Closw is not null order by Gmt_time').toPandas()
…
Fashil
- 175
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1
vote
1 answer
How to find FLOSS from the matrix profile method
I recently read about the matrix profile method and I am interested in finding the matrix profile segmentation (FLOSS) in python.
From Mueen and Keogh's tutorial, the page I am referring at is 65.
Is there a package/method for finding FLOSS?
Alexia
- 11
- 4
0
votes
1 answer
Why is the behaviour of stumpy.stump changing so abruptly? Why is it unable to match constant intervals as the same shape?
I want to find similar shapes in time series using stumpy. However there seems to be some kind of special treatment of values that I do not understand.
Let me give you an example:
import numpy as np
import matplotlib.pyplot as plt
import…
Noskario
- 378
- 1
- 9
0
votes
1 answer
Anomalie detection on Shapelets
I have been using Shapelets recently for my work (mostly the dataapp) and I was wondering how we could use the matrix profile pattern recognition in the dataap for my time series?
If anyone can help me on this, that would be appreciated!
0
votes
0 answers
How to segment a time series based on pattern changes?
I have a time series which shows activity and rest segments. The picture below shows the first three segments (activity, rest, activity). Activity segments always show some form of periodic oscillation, while rest segments do not show any pattern at…
lonyen11
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0
votes
1 answer
What does threshold do for a matrix profile?
So I've plot these two matrix profiles by using the tsfresh feature extraction libraries and I've verified that these two graphs are identical (through gimp) and now my question is, what does the threshold do, if it's not giving a big impact on the…
Swearinbag
- 5
- 3
0
votes
1 answer
Import error: No module named 'mstamp_stomp'
I am trying to run demo.py from the git repository https://github.com/mcyeh/mstamp/tree/master/Python.
This is the source code of the paper Matrix Profile VI: Meaningful Multidimensional Motif Discovery. I have attached the code below.
# -*- coding:…
DGT
- 39
- 9
-1
votes
1 answer
Error when trying to bind function to button in Python application for anomaly detection on Shapelets platform
I'm trying to bind a function to a button in my application so that it triggers an anomaly detection. Here's the code I have so far:
button = app.button("Execute anomaly-detection")
app.place(button)
ailtair_chart1 = app.altair_chart(title='MLII',…
Chen Sofia
- 11
- 2